This specification is formulated to unify technical requirements for the construction of railway water supply and sewerage works， strengthen construction technology management and ensure construction quality.
　　This specification is applicable to the water supply and sewerage works of new railways or renovated railways.
　　Construction of railway water supply and sewerage works shall comply with national laws， regulations and relevant technical standards， and strictly conform to design documents. In the construction of railway water supply and sewerage works， the management system， personnel allocation， field management and process control， etc.， shall be standardized， so as to achieve such construction targets as quality， safety， construction schedule， investment benefit， environmental protection and technical innovation.
　　Mechanization， member prefabrication in plant， professionalization and informatization shall be actively promoted in the construction of railway water supply and sewerage works.
　　The HSE （Health， Safety， Environment） management level shall be raised in the construction 9f railway water supply and sewerage works.
　　If cultural relics protection organizations are involved， the railway water supply and sewerage works shall be constructed on the basis of relevant regulations and protection measures specified in design.
　　In the construction of railway water supply and sewerage works， risk management shall be properly conducted in consideration of the actual site conditions and by means of risk planning， risk identification， risk evaluation， risk assessment and risk control， and specific construction schemes and emergency plans shall be established.
　　Construction of railway water supply and sewerage works shall comply with relevant national laws， regulations and technical standards on resource saving， energy saving and emission reduction， and the technical measures for energy saving and emission reduction shall be formulated and implemented， taking into account engineering characteristics and construction environment.
　　In the construction of railway water supply and sewerage works， the construction personnel shall receive training and pass examination before assuming the post.
　　During railway construction9 relevant data shall be collected and sorted out in time， which shall be complete， real and accurate， and the archiving and management of the data shall be well performed in accordance with relevant requirements，
　　Main equipment and materials used for the construction of railway water supply and sewerage works shall comply with relevant current national standards， industrial standards， and the standards of China Railway Corporation
　　The railway construction clearance shall not be intruded by the installation of the trackside equipment of the railway water supply and sewerage works.